49ers tight end George Kittle had 151 receiving yards in the win over the Bears.
Mandatory Credit: Ezra Shaw/Getty Images via CNN Newsource
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A potential Super Bowl preview and the battle for Pennsylvania: Five things to look out for in Week 15 of the NFL season
We are down to just four weeks left in the regular season. There are no more bye weeks with everyone playing and many teams now find themselves in must-win situations in order to keep their playoff hopes alive. Here are five things to know for Week 15:

